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绪言由卫星设计技术的观点来看,广播卫星主体的特征列举如下: (1) 太阳电池发出的电能要尽量大; (2) 辐射电波在地面的接收电场要足够
Introduction from the satellite design technology point of view, the main characteristics of broadcast satellites are listed as follows: (1) the solar cell to send the power to be as large as possible; (2) radio waves in the ground to receive electric field enough